Sanyo PLC-XU50 Manuel utilisateur

REFERENCE NO. SM5110516-07

FILE NO.

Notice

CORRECTION ●PRODUCTION CHANGE

SERVICE FLASH ADD INFORMATION

REVISION-7

Please add this notice to the Service Manual listed below.

Category : Multi-media Projector Issued Date : July / 2004

Model : PLC-XU50 Effective from : Chassis No. MW3-XU5003

Canada, U.S./Europe,

Destination : Asia, Africa, U.K. REF. NO. : SM5110516

NOTE: Match the Chassis No. on the unit’s back cover with the Chassis No. in the Service

Manual.

If the Chassis. No. does not match the unit’s, additional Service Literature is required.

Only the difference service information is given in this manual. For detailed service infor-

mation, refer to the original service manual SM5110516-00, issued in September 2003,

for Model PLC-XU50.

FILE WITH ORIGINAL SERVICE MANUAL (SM5110516)

PRODUCT CODE

1 122 213 40 (MW3AY)

1 122 214 40 (PW3AY)

1 122 214 42 (PW3CY)

Differences:

The outline of the differences are as follows;

- The LCD panels are changed.

According to the above, the main board, electrical adjustment, service data table and diagrams are

changed.

-2-

■Safety Instructions

WARNING:

The chassis of this projector is isolated (COLD) from AC line by using the converter transformer. Primary side of

the converter and lamp power supply unit circuit is connected to the AC line and it is hot, which hot circuit is iden-

tified with the line ( ) in the schematic diagram. For continued product safety and protection of personnel

injury, servicing should be made with qualified personnel.

The following precautions must be observed.

SAFETY PRECAUTIONS

1: An isolation transformer should be connected in the

power line between the projector and the AC line

before any service is performed on the projector.

2: Comply with all caution and safety-related notes pro-

vided on the cabinet back, cabinet bottom, inside the

cabinet or on the chassis.

3: When replacing a chassis in the cabinet, always be

certain that all the protective devices are installed

properly, such as, control knobs, adjustment covers

or shields, barriers, etc.

DO NOT OPERATE THIS PROJECTOR WITHOUT

THE PROTECTIVE SHIELD IN POSITION AND

PROPERLY SECURED.

4: Before replacing the cabinet cover, thoroughly

inspect the inside of the cabinet to see that no stray

parts or tools have been left inside.

Before returning any projector to the customer, the

service personnel must be sure it is completely safe to

operate without danger of electric shock.

SERVICE PERSONNEL WARNING

Eye damage may result from directly viewing the light produced by the Lamp used in this equipment. Always turn

off Lamp before opening cover. The Ultraviolet radiation eye protection required during this servicing.

Never turn the power on without the lamp to avoid electric-shock or damage of the devices since the stabilizer

generates high voltages(15kV - 25kV) at its starts.

Since the lamp is very high temperature during units operation replacement of the lamp should be done at least

45 minutes after the power has been turned off, to allow the lamp cool-off.

PRODUCT SAFETY NOTICE

Product safety should be considered when a component replacement is made in any area of the projector.

Components indicated by mark !in the parts list and the schematic diagram designate components in which

safety can be of special significance. It is, therefore, particularly recommended that the replacement of there parts

must be made by exactly the same parts.

DO NOT ATTEMPT TO SERVICING THE REMOTE CONTROL UNIT.

Laser Beam may be leaked out when in disassemble the Unit. As the Laser Beam used

in this Remote control unit is harmful to the eyes.

-3-

■Specifications

This symbol on the nameplate means the product is Listed by Underwriters

Laboratories Inc. It is designed and manufactured to meet rigid U.L. safety stan-

dards against risk of fire, casualty and electrical hazards.

0.8" TFT Active Matrix type, 3 panels

Multi-media Projector

6.2 lbs (2.8 kg)

11.73" x 2.8" x 8.58" (298mm x 71mm x 218mm)

(not including raised portions)

1024 x 768 dots

2,359,396 (1024 x 768 x 3 panels)

PAL, SECAM, NTSC, NTSC4.43, PAL-M, and PAL-N

H-sync. 15 ~ 100 KHz, V-sync. 50 ~ 100 Hz

Adjustable from 40” to 300”

1 speaker, ø1.1" (28mm)

41 ˚F ~ 95 ˚F (5 ˚C ~ 35 ˚C)

14 ˚F ~ 140 ˚F (-10 ˚C ~ 60 ˚C)

Projector Type

Net Weight

Dimensions (W x H x D)

Panel Resolution

Number of Pixels

Color System

Scanning Frequency

Projection Image size (Diagonal)

Built-in Speaker

Operating Temperature

Storage Temperature

LCD Panel System

●The specifications are subject to change without notice.

F 1.7 ~ 2.5 lens with f 20.0 mm ~ 30.0 mm with manual zoom and focus

3.3’ ~ 25.3’ (1.0 m ~ 7.7 m)

200 W

RCA Type x 1 (Video) and Mini DIN 4 pin x 1 (S-Video)

Projection Lens

Throw Distance

Projection Lamp

Video Input Jacks

RCA Type x 2

Audio Input Jacks

DVI-I Terminal (Digital/Analog) (HDCP compatible)

Mini Jack (stereo) x 1

Mini DIN 8 pin x 1

Mini Jack (stereo) x 1 (variable with volume)

1.0 W RMS

Computer Input 1 Terminal

Computer / Component Audio Input Jack

Service Port Connector

Audio Output Jack

Internal Audio Amp

0˚ to 11.8˚

Feet Adjustment

Power Source : AA, UM3 or R06 Type x 2

Operating Range : 16.4’ (5m) / ±30˚

Dimensions : 2.0” x 1.0” x 7.1” (50mm x 27mm x 181mm)

Net Weight : 0.34 lbs (154 g) (including batteries)

Laser Pointer : Class II Laser (Max. Output : 1mW / Wave length : 640

660nm)

Remote Control

480i, 480p, 575i, 575p, 720p, 1035i, and 1080i

High Definition TV Signal

USB Series B receptacle x 1

USB Connector

AC 100 ~ 120 V (3.6 A Max. Ampere), 50 / 60 Hz

(The U.S.A and Canada)

AC 200 ~ 240 V (1.8 A Max. Ampere), 50 / 60 Hz

(Continental Europe and The U.K.)

Voltage and

Power Consumption

Computer Input 2 / Component Input /

Monitor Output Terminal

(VGA) HDB 15 Terminal x 1 (switch to use this terminal)

●LCD panels are manufactured to the highest possible standards. Even though 99.99% of the pixels are effective, a tiny

fraction of the pixels (0.01% or less) may be ineffective by the characteristics of the LCD panels.

-4-

●Lamp cover switch

The lamp cover switch (SW901) cuts off the drive signal to the

lamp circuit when the lamp cover is removed or not closed com-

pletely. After opening the lamp cover for replacing the lamp ass’y,

place the lamp cover correctly otherwise the projector can not

turn on.

●Thermal switch

There is the thermal switch (SW902) inside of the projector to

detect the internal temperature rising abnormally. When the inter-

nal temperature reaches near 90˚C, it cuts off the AC main power

supply .

The thermal switch cannot be reset itself automatically even if the

internal temperature becomes normal. Reset the thermal switch

following to the below procedure.

How to reset the thermal switch

1. Insert the sharp tool like a screwdriver into a hole on the cabi-

net bottom.

2. Press the reset button on the thermal switch with the screw-

driver.

CAUTION:

Before press the reset button, make sure that the AC cord must

be disconnected from the AC outlet.

This projector provides the following circuit protections to operate in safety. If the abnormality occurs inside the pro-

jector, it will automatically turn off by operating one of the following protection circuits.

●Fuse

A fuse is located inside of the projector. When the POWER indica-

tor is not lightning, the fuse may be opened. Check the fuse as fol-

lowing steps.

The fuse should be used with the following type;

Fuse replacing steps

1. Remove the cabinet top and cabinet front following to

“Mechanical Disassemblies”.

2. Replace the new one with the specified type.

Fuse Part No.: 423 021 7801

TYPE T6.3AH 250V FUSE

LITTLE FUSE INC. TYPE 21506.3

Thermal switch (SW902)

Fuse

■Circuit Protections

-5-

Circuit Protections

●Warning temperature and power failure protection

The projector will be automatically turned off when the internal temperature of the projector is abnormally high, or

the cooling fans stop spinning, or the power supplies in the projector are failed.

- If the WARNING indicator is flashing, it may detect the abnormal temperature inside the projector. Check the fol-

lowing possible causes and wait until the WARNING indicator stops flashing, and then try to turn on the projector.

- If the WARNING indicator lights red, it may defect the cooling fans or power supply circuits. Check fans operation

and power supply lines referring to the chapter “Power supply & protection circuit” in the Chassis Block Diagram

section.

Possible causes

- Air filters are clogged with dust particles. Remove dust from the air filters by following instructions in the “Air filter

care and cleaning” below.

- Ventilation slots of the projector are blocked. In such an event, reposition the projector so that ventilation slots are

not obstructed.

- Check if projector is used at higher temperature place (Normal operating temperature is 5 to 35 ˚C or 41 to 95˚F)

Air filter care and cleaning

The removable air filter prevents dust from accumulation on the surface of the projection lens and projection mirror.

Should the air filter become clogged with dust particles, it will reduce the cooling fan’s effectiveness and may result

in internal heat build up and reduce the life of the projector.

To clean up the air filters, follow the cleaning procedure

below:

1. Turn the power off, and disconnect the AC power cord

from the AC outlet.

2. Turn the projector up side down and remove air filters

by pulling the latches of it upward.

3. Clean the air filters with brush or wash out the dust and

particles.

4. Replace the air filters properly. Make sure that the air fil-

ters are fully inserted.

CAUTION:

Do not operate the projector with the air filters removed.

Dust may accumulate on the LCD panel and the projection

mirror degrading picture quality.

Do not put small parts into the air intake vents. It may result

in malfunction of the projector.

RECOMMENDATION

We recommend not to use the projector in dusty, smoky places. Using it in dusty place may cause the poor picture

quality.

When using under the dusty or smoky conditions, dust may accumulate on the LCD panel and lens inside it, and

may resultantly be projected on the screen together with the picture.

When the above symptoms are noticed, please clean up the LCD panel and lens following to the “Cleaning

Method”.

Air filter

-6-

■Lamp Replacement

WARNING:

- For continued safety, replace with a lamp assembly of the same

type.

- Allow the projector to cool for at least 45 minutes before you open

the lamp cover. The inside of the projector can become very hot.

- Do not drop the lamp module or touch the glass bulb! The glass can

shatter and cause injury.

Procedure

1Turn off the projector and disconnect the AC cord. Allow the projector

to cool for at least 45 minutes.

2Loosen 1 screws with a screwdriver and remove the lamp cover.

3Loosen 2 screws and pull out the lamp assembly by grasping the

handle.

4Replace the lamp with a new one and tighten the 2 screws back into

position. Make sure that the lamp is set properly. Replace the lamp

cover and tighten the screw.

5Connect the AC cord to the projector and turn on.

6Reset the Lamp Replace Counter, see below explanation.

Note:

- The projector cannot be turned-on with lamp cover removed,

because when the lamp cover is removed, the lamp cover switch is

also released to switch off the lamp circuit.

1Turn the projector on, press the MENU button and the

On-Screen Menu will appear. Press the Point

Left/Right button to move the red frame pointer to the

Setting Menu icon.

2Press the Point Down button to move the red frame

pointer to the Lamp counter reset item and then press

the SELECT button. The message "Lamp replace

counter Reset?" is displayed. Move the pointer to

[Yes] and then press the SELECT button.

3Another confirmation dialog box appears and select

[Yes] to reset the Lamp replace counter.

Recommendation

Should the air filter become clogged with dust particles,

it will reduce the cooling fan’s effectiveness and may

result in internal heat build up and short lamp life. We

recommend cleaning the air filter after the projection

lamp is replaced.

Refer to “Air Filter Cleaning”.

How to reset Lamp Replace Counter

Lamp

Lamp Cover Screw

Screw

Handle

Screw

ORDER REPLACEMENT LAMP

Type No.Service Parts No.

POA-LMP65 610 307 7925

The LAMP REPLACE indicator will light yellow when

the total lamp used time reaches 2000 hours. This is

to indicate that lamp replacement is required.

The total lamp used time is calculated by using the

below expression,

Total lamp used time = Teco + Tnormal x 2

Teco:used time in the Eco mode

Tnormal :used time in the Normal mode

You can check the lamp used time following to the

below procedure.

1Press and hold the POWER ON-OFF button on the

projector for more than 20 seconds.

2 The projector used time and lamp used time will be

displayed on the screen briefly as follows.

Counter

Projector 525H

Lamp

Normal 150H

Eco 375H

Total 675H

Total lamp used time

How to check Lamp used time

Projector used time

-7-

To enter the service mode

To enter the “Service Mode”, press and hold the MENU and INPUT buttons on the projector at the same time for

more than 3 seconds. The service menu appears on the screen as follows.

To adjust service data

Select the adjustment group no. by pressing the MENU (+) or KEYSTONE (-) button, and select the adjustment

item no. by pressing the pointer UP or DOWN button, and change the data value by pressing the VOLUME – or

VOLUME + button.Refer to the “Service Adjustment Data Table” for further description of adjustment group no.,

item no. and data value.

To exit the service mode

To exit the service mode, press the POWER ON-OFF button on the projector or remote control unit.

●Service Adjustment Menu Operation

IC1801 on the main board stores the data for the serv-

ice adjustments, and should not be replaced except for

the case of defective device.

If replaced, the re-adjustments are required following to

the “Electrical Adjustments”.

The data of lamp replacement counter is stored in the

IC1801.

Please note that the lamp replace counter will be reset

when the memory IC (IC1801) is replaced.

(Lamp replace counter cannot be set to the previous

value.)

● Caution to memory IC replacement

When IC1801 is replaced with new one, the CPU

writes down the default data of the service adjustments

to the replaced IC as the mentioned on the service

adjustment table. As these data are not the same data

as factory shipped data, it should be required to per-

form the re-adjustments following to the “Electrical

Adjustments”.

Please note that in this case the lamp replace counter

will be reset.

● Caution of Main Board replacement (in the case

Ic1801 is not defective)

When the main board is replaced, IC1801 should be

replaced with the one on previous main board. After

replacement, it should be required to perform the re-

adjustments following to the “Electrical Adjustments”.

In this case, the lamp replace counter can be kept the

value as before.

● Memory IC Replacement

ON -OFF

POWER

KEYSTONE

INPUT

WARNING

LAMP

REPLACE

–

SELECT

Service Mode

Input Video

Group No. Data

0032

Ver. 1 .00

Data value

Item No.

■Electrical Adjustments

Group No.

-8-

[Adjustment Condition]

●Input signal

Video signal .......................... 1.0Vp-p/75Ωterminated, 16 steps gray

scale (Composite video signal)

Computer signal .................... 0.7Vp-p/75Ωterminated, 16 steps gray

scale pattern

Component Video signal ...... 0.7Vp-p/75Ωterminated, 16 steps gray

scale (Component video signal with

480p, 575p, 720p or 1080i format)

●Picture control mode .............. “STANDARD” mode unless otherwise

noted.

Note:

* Please refer to “Service Adjustment Menu Operation” for entering the service mode and adjusting the service

data.

White 100% Black 100%

●Circuit Adjustments

CAUTION: The each circuit has been made by the fine adjustment at factory. Do not attempt to adjust the follow-

ing adjustments except requiring the readjustments in servicing otherwise it may cause loss of per-

formance and product safety.

Electrical Adjustments

16 steps gray scale pattern

After replacing the Power Board readjust the Output

voltage adjustment as follows.

1. Connect a digital voltmeter to pins 1 (+) and 3 (-) of

K6D.

2. Adjust the voltage by using VR611 as following.

AC Input Reading

230V 380V ±2V

Caution:

Be sure to connect the lamp when taking this adjust-

ment.

Output Voltage adjustment

* This adjustment is not required even if the power

board is replaced because this adjustment is carried

out before parts shipment.

1. Set the lamp mode to "Normal" and then enter the

service mode.

2. Select group no. “111”, item no. “5”and set data value

to “1”.

3. Connect a digital voltmeter to test point “TP12V1”(+)

and chassis ground (-). Select item no. “89”and

change data value to adjust voltage to be 6.5 ±0.1V.

4. Connect a digital voltmeter to test point “TP12V2”

(+) and chassis ground (-). Select item no. “91”and

change data value to adjust voltage to be 6.5 ±0.1V.

5. Connect a digital voltmeter to test point “TP12V1”(+)

and chassis ground (-). Select item no. “90”and

change data value to adjust voltage to be 13.5 ±0.1V.

6. Connect a digital voltmeter to test point “TP12V2”(+)

and chassis ground (-). Select item no. “92”and

change data value to adjust voltage to be 13.5 ±0.1V.

7. Select item no. “5”and set data value to “0”.

zFan Control adjustment

-9-

Electrical Adjustments

1. Receive the 16-step grey scale computer signal with

Computer2 [RGB] mode.

2. Enter the service mode.

3. Connect an oscilloscope to test point “TPG1”(+) and

chassis ground (-).

4. Select group no. “0”, item no. “0”and change data

value to adjust the pedestal level and black level to be

the same level.

5. Connect an oscilloscope to test point “TPR1”(+) and

chassis ground (-).

6. Select item no. “1”and change data value to adjust the

pedestal level and black level to be the same level.

7. Connect an oscilloscope to test point “TPB1”(+) and

chassis ground (-).

8. Select item no. “2”and change data value to adjust the

pedestal level and black level to be the same level.

Pedestal Lebel

Black Lebel

xClamp adjustment [PC]

1. Receive the 16-step grey scale component signal

with Computer2 [Component] mode.

2. Enter the service mode.

3. Connect an oscilloscope to test point “TPG1”(+) and

chassis ground (-).

4. Select group no. “0”, item no. “0”and change data

value to adjust the pedestal level and black level to be

the same level.

5. Connect an oscilloscope to test point “TPR1”(+) and

chassis ground (-).

6. Select group no. “0”, item no. “1”and change data

value to adjust the pedestal level and black level to be

the same level.

7. Connect an oscilloscope to test point “TPB1”(+) and

chassis ground (-).

8. Select group no. “0”, item no. “2”and change data

value to adjust the pedestal level and black level to be

the same level.

Pedestal Lebel

Black Lebel

vClamp adjustment [COMPONENT]

1. Receive the 16-step gray scale composite video sig-

nal with Video [Video] mode.

2. Enter the service mode.

3. Connect an oscilloscope to test point “TPG1”(+) and

chassis ground (-).

4. Select group no. “0”, item no. “0”and change data

value to adjust the pedestal level and black level to be

the same level.

5. Connect an oscilloscope to test point “TPR1”(+) and

chassis ground (-).

6. Select item no. “1”and change data value to adjust the

pedestal level and black level to be the same level.

7. Connect an oscilloscope to test point “TPB1”(+) and

chassis ground (-).

8. Select item no. “2”and change data value to adjust the

pedestal level and black level to be the same level.

Pedestal Lebel

Black Lebel

cClamp adjustment [AV]

-10-

Electrical Adjustments

1. Receive the 16-step grey scale composite video sig-

nal with Video [Video] mode.

2. Enter the service mode.

3. Connect an oscilloscope to test point “TPG1”(+)

and chassis ground (-).

4. Select group no. “9”, item no. “1”and adjust the ampli-

tude “a” to be minimum by changing the Data value.

5. Connect an oscilloscope to test point “TPR1”(+) and

chassis ground (-).

6. Select item no. “2”and adjust the amplitude “a” to be

minimum by changing the Data value.

7. Connect an oscilloscope to test point “TPB1”(+) and

chassis ground (-).

8. Select item no. “3”and adjust the amplitude “a” to be

minimum by changing the Data value.

(a)

White Level

nSub Gain adjustment [Video]

1. Receive the 16-step grey scale computer signal with

Computer2 [RGB] mode.

2. Enter the service mode.

3. Connect an oscilloscope to test point “TPG1”(+)

and chassis ground (-).

4. Select group no. “9”, item no. “1”and adjust the ampli-

tude “a” to be minimum by changing the Data value.

5. Connect an oscilloscope to test point “TPR1”(+) and

chassis ground (-).

6. Select item no. “2”and adjust the amplitude “a” to be

minimum by changing the Data value.

7. Connect an oscilloscope to test point “TPB1”(+) and

chassis ground (-).

8. Select item no. “3”and adjust the amplitude “a” to be

minimum by changing the Data value.

(a)

White Level

bSub Gain adjustment [PC]

1. Receive the 16-step grey scale computer signal with

Computer2 [RGB] mode.

2. Enter the service mode

3. Connect a digital voltmeter to test point “TPG1”(+)

and chassis ground (-).

4. Select group no. “10”, item no. “0”and change data

value to adjust the voltage to be 7.50 ±0.05V.

5. Connect a digital voltmeter to test point “TPR1”(+)

and chassis ground (-).

6. Select item no. “1”and change data value to adjust

the voltage to be 7.50 ±0.05V.

7. Connect a digital voltmeter to test point “TPB1”(+)

and chassis ground (-).

8. Select item no. “2”and change data value to adjust

the voltage to be 7.50 ±0.05V.

mVideo Center adjustment

1. Receive the 16-step gray scale computer signal with

Computer2 [RGB] mode.

2. Enter the service mode.

3. Connect an oscilloscope to test point “TPPSIG”(+)

and chassis ground (-).

4. Select group no. “10”, item no. “14”and adjust the

amplitude “a” to be 10.0 ±0.1V by changing the Data

value.

5. Select item no. “17”and adjust the amplitude “b” to be

3.8 ±0.1V by changing the Data value.

3. Connect an oscilloscope to test point “TPZPSIG”(+)

and chassis ground (-).

4. Select group no. “10”, item no. “12”and adjust the

amplitude “a” to be 10.0 ±0.1V by changing the Data

value.

5. Select item no. “15”and adjust the amplitude “b” to be

3.8 ±0.1V by changing the Data value.

(a)

(b)

,PSIG adjustment

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